Using Managed Ledger Databases for Finance Data Integrity

In the previous chapter, we discussed how we can use the database-locking capabilities of relational database management systems (RDBMSs) to prevent data integrity issues in financial transactions. In this chapter, we will be shifting our focus a bit and discussing another type of database called ledger databases. Specifically, we’ll use Amazon Quantum Ledger Database (QLDB), which is a purpose-built fully managed ledger database built by the cloud service provider Amazon Web Services (AWS). We will explore the core concepts of this database and learn how its unique set of features and capabilities can help maintain and manage the integrity of financial records and transactions. Of course, we’ll dive deep into various hands-on solutions and examples to help us better understand how we can utilize the features of this database service for financial data integrity management.

The flow of our discussion will be...